South St. Louis residents took to the streets last night after an 18-year-old black male was shot and killed by an off-duty St. Louis police officer who was working security for a private firm at the time. Some claimed the man who was shot was holding a sandwich which was mistaken for a gun. However, the St. Louis Police Chief said the man not only had a gun, but fired at the off-duty officer.

Police also say the gun was recovered:

MSNBC’s Chris Hayes, who seems to enjoy fanning the flames in these kinds of tense situations, eyed something that could escalate the situation:

And what does it mean if police are not lying about the gun?

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Unreal! Half a day later, Chris Hayes admits ‘dead body’ in Ferguson wasn’t really a dead body